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52003517 = 86360259
BaseRepresentation
bin1100011001100…
…0001010111101
310121212001102012
43012120022331
5101303103032
65054341005
71201010516
oct306301275
9117761365
1052003517
112739a015
12154ba765
13aa0a317
146c99a0d
1548736b2
hex31982bd

52003517 has 4 divisors (see below), whose sum is σ = 52064640. Its totient is φ = 51942396.

The previous prime is 52003507. The next prime is 52003519. The reversal of 52003517 is 71530025.

52003517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52003517 - 210 = 52002493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52003492 and 52003501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52003519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29267 + ... + 30992.

It is an arithmetic number, because the mean of its divisors is an integer number (13016160).

Almost surely, 252003517 is an apocalyptic number.

It is an amenable number.

52003517 is a deficient number, since it is larger than the sum of its proper divisors (61123).

52003517 is an equidigital number, since it uses as much as digits as its factorization.

52003517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61122.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 52003517 is about 7211.3464068785. The cubic root of 52003517 is about 373.2595303906.

The spelling of 52003517 in words is "fifty-two million, three thousand, five hundred seventeen".

Divisors: 1 863 60259 52003517